Sony Hi-MD MiniDisc (1.0 GB) Go to amazon.com Related posts Best minidisc music md FeatureStore up to 45 hours of musicSmall, durable and re-writableAlso stores documents, PC files, and imagesCompatible only with Hi-MD players DescriptionThe Hi-MD MiniDisc allows users to record up to 45 hours of music with Hi-MD recorders, and up to 13.5 hours of music storage with NetMD recorders.